diff options
| author | Ingo Molnar <mingo@elte.hu> | 2011-04-26 19:36:14 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-04-26 19:36:17 +0200 |
| commit | 7bd5fafeb414cf00deee32c82834f8bf1426b9ac (patch) | |
| tree | 1103053fa40576e9f9fc2818ea1910180e09b752 /kernel | |
| parent | fa7b69475a6c192853949ba496dd9c37b497b548 (diff) | |
| parent | ec75a71634dabe439db91c1ef51d5099f4493808 (diff) | |
Merge branch 'perf/urgent' into perf/stat
Merge reason: We want to queue up dependent changes.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/kexec.c | 7 | ||||
| -rw-r--r-- | kernel/power/hibernate.c | 10 | ||||
| -rw-r--r-- | kernel/power/suspend.c | 5 |
3 files changed, 19 insertions, 3 deletions
diff --git a/kernel/kexec.c b/kernel/kexec.c index 55936f9cb25..87b77de03dd 100644 --- a/kernel/kexec.c +++ b/kernel/kexec.c @@ -33,6 +33,7 @@ #include <linux/vmalloc.h> #include <linux/swap.h> #include <linux/kmsg_dump.h> +#include <linux/syscore_ops.h> #include <asm/page.h> #include <asm/uaccess.h> @@ -1532,6 +1533,11 @@ int kernel_kexec(void) local_irq_disable(); /* Suspend system devices */ error = sysdev_suspend(PMSG_FREEZE); + if (!error) { + error = syscore_suspend(); + if (error) + sysdev_resume(); + } if (error) goto Enable_irqs; } else @@ -1546,6 +1552,7 @@ int kernel_kexec(void) #ifdef CONFIG_KEXEC_JUMP if (kexec_image->preserve_context) { + syscore_resume(); sysdev_resume(); Enable_irqs: local_irq_enable(); diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c index aeabd26e334..50aae660174 100644 --- a/kernel/power/hibernate.c +++ b/kernel/power/hibernate.c @@ -273,8 +273,11 @@ static int create_image(int platform_mode) local_irq_disable(); error = sysdev_suspend(PMSG_FREEZE); - if (!error) + if (!error) { error = syscore_suspend(); + if (error) + sysdev_resume(); + } if (error) { printk(KERN_ERR "PM: Some system devices failed to power down, " "aborting hibernation\n"); @@ -407,8 +410,11 @@ static int resume_target_kernel(bool platform_mode) local_irq_disable(); error = sysdev_suspend(PMSG_QUIESCE); - if (!error) + if (!error) { error = syscore_suspend(); + if (error) + sysdev_resume(); + } if (error) goto Enable_irqs; diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c index 2814c32aed5..8935369d503 100644 --- a/kernel/power/suspend.c +++ b/kernel/power/suspend.c @@ -164,8 +164,11 @@ static int suspend_enter(suspend_state_t state) BUG_ON(!irqs_disabled()); error = sysdev_suspend(PMSG_SUSPEND); - if (!error) + if (!error) { error = syscore_suspend(); + if (error) + sysdev_resume(); + } if (!error) { if (!(suspend_test(TEST_CORE) || pm_wakeup_pending())) { error = suspend_ops->enter(state); |